*Excludes Observations that spanned multiple years

Pre 19708
19700
19710
19720
19730
19740
19753
19761
19775
19781
19792
19801
19811
19823
19832
19841
19857
198623
198730
198887
198930
199015
199140
1992200
1993161
199449
199590
199636
199744
199826
199965
200078
200152
200237
200319
200477
200519
200620
200719
200845
200947
201043
201135
201249
201336
201432
201526
201635
201737
201861
201971
202050
202183
202269
202355
20241
Total2027